Merge pull request #627 from harmony-ek/honor_hmy_path_if_set

Honor HMY_PATH if set

scripts/setup_bls_build_flags.sh

@@ -6,6 +6,8 @@ case "${0}" in
 *) progdir=.;;
 esac
 
+case "${HMY_PATH+set}" in
+"")
    unset -v gopath
    gopath=$(go env GOPATH)
    # HMY_PATH is the common root directory of all harmony repos
@@ -15,6 +17,8 @@ if [ ! -d $HMY_PATH ]; then
       # which does not fully dereference symlinks.
       HMY_PATH=$(cd $progdir/../.. && env pwd)
    fi
+   ;;
+esac
 : ${OPENSSL_DIR="/usr/local/opt/openssl"}
 : ${MCL_DIR="${HMY_PATH}/mcl"}
 : ${BLS_DIR="${HMY_PATH}/bls"}